diff --git a/io.catenax.parts_analyses/2.0.0/PartsAnalyses.ttl b/io.catenax.parts_analyses/2.0.0/PartsAnalyses.ttl
index a3d94aff0..4ded89cb1 100644
--- a/io.catenax.parts_analyses/2.0.0/PartsAnalyses.ttl
+++ b/io.catenax.parts_analyses/2.0.0/PartsAnalyses.ttl
@@ -176,8 +176,12 @@
    samm:exampleValue "Stainless steel" .
 
 :Keys a samm-c:List ;
+   samm:preferredName "Keys"@en ;
+   samm:description "A list of additional keys. Togther with the values list this list forms the additional data information."@en ;
    samm:dataType xsd:string .
 
 :Values a samm-c:List ;
+   samm:preferredName "Values"@en ;
+   samm:description "A list of additional values that forms the additional data. Togther with the keys list this list forms the additional data information."@en ;
    samm:dataType xsd:string .